<table class="table table-bordered table-hover">
    <caption class="h3">系统全局统计</caption>
    <thead>
        <tr>
            <th class="center w15p">系统连接数</th>
            <th class="center w15p">Cluster连接数</th>
            <th class="center w15p">网速</th>
            <th class="center w15p">更新时间</th>
        </tr>
    </thead>
    <tbody class="system">

    </tbody>
</table>

<table class="table table-bordered table-hover">
    <caption class="h3">隧道全局统计</caption>
    <thead>
        <tr>
            <th class="center w5p">Tunnels</th>
            <th class="center w5p">Servers</th>
            <th class="center w5p">Clients</th>
            <th class="center w10p">Connections</th>
            <th class="center w20p">Upload</th>
            <th class="center w20p">Download</th>
            <th class="center w20p">Total</th>
            <th class="center w15p">更新时间</th>
        </tr>
    </thead>
    <tbody class="total">

    </tbody>
</table>

<table class="table table-bordered table-hover">
    <caption class="h3">隧道统计<small>速度排列,前20个</small></caption>
    <thead>
        <tr>
            <th class="center w8p">TunnelID</th>
            <th class="center w10p">Connections</th>
            <th class="center w20p">Upload</th>
            <th class="center w25p">Download</th>
            <th class="center w25p">Total</th>
            <th class="center w12p">Limit</th>
            <th class="center w15p">更新时间</th>
        </tr>
    </thead>
    <tbody class="list">

    </tbody>
</table>

<table class="table table-bordered table-hover">
    <caption class="h3">隧道统计<small>连接数排列,前20个</small></caption>
    <thead>
        <tr>
            <th class="center w8p">TunnelID</th>
            <th class="center w10p">Connections</th>
            <th class="center w20p">Upload</th>
            <th class="center w25p">Download</th>
            <th class="center w25p">Total</th>
            <th class="center w12p">Limit</th>
            <th class="center w15p">更新时间</th>
        </tr>
    </thead>
    <tbody class="list-conn">

    </tbody>
</table>
<script>
    var clasterID = '{{$.clusterID}}';
    $(function() {
        var req = function(lastData) {
            $.post("/web/cluster/statistic", {
                cluster_id: clasterID
            }, function(data) {
                if (!data.code) {
                    return
                }
                data = data.data
                if (!lastData) {
                    lastData = data
                }
                systemRender(lastData, data);
                totalRender(lastData, data);
                listRender(lastData, data,false);
                listRender(lastData, data,true);
                setTimeout(function() {
                    req(data)
                }, interval * 1000)
            }, "json");
        }
        req(null);
    });
    var interval = 3
    var listShowLimit = 20

    function totalRender(lastData, data) {
        var total = data.Total.UploadBytes + data.Total.DownloadBytes;
        var lastTotal = lastData.Total.UploadBytes + lastData.Total.DownloadBytes;
        var lastUploadBytes = lastData.Total.UploadBytes
        var lastDownloadBytes = lastData.Total.DownloadBytes
        var uploadSpeed = humanFileSize(parseInt((data.Total.UploadBytes - lastUploadBytes) / interval)) + "/s"
        var downloadSpeed = humanFileSize(parseInt((data.Total.DownloadBytes - lastDownloadBytes) / interval)) + "/s"
        var totalSpeed = humanFileSize(parseInt((data.Total.UploadBytes + data.Total.DownloadBytes - lastTotal) / interval)) + "/s"

        var html = '<tr>\
            <td class="center">' + data.Total.Tunnels + '</td>\
            <td class="center">' + data.Total.Servers + '</td>\
            <td class="center">' + data.Total.Clients + '</td>\
            <td class="center">' + data.Total.Connections + '</td>\
            <td class="center">' + data.Total.UploadBytes + " / " + humanFileSize(data.Total.UploadBytes) + " (" + uploadSpeed + ')</td>\
            <td class="center">' + data.Total.DownloadBytes + " / " + humanFileSize(data.Total.DownloadBytes) + " (" + downloadSpeed + ')</td>\
            <td class="center">' + total + " / " + humanFileSize(total) + " (" + totalSpeed + ')</td>\
            <td class="center">' + date("Y/m/d H:i:s", new Date().getTime() / 1000) + '</td>\
        </tr>';
        $(".total").html(html);

    }

    function listRender(lastData, data,isConn) {
        if(isConn){
            $(".list-conn").html("");
        }else{
            $(".list").html("");
        }
        var html = "";
        var list = sortMap(lastData.Traffic, data.Traffic, listShowLimit,isConn)
        for (var i = 0; i < list.length; i++) {
            var TunnelID = list[i]["TunnelID"]
            var item = data.Traffic[TunnelID]
            var lastItem = lastData.Traffic[TunnelID]
            if (!lastItem) {
                continue;
            }
            var total = item["positive"] + item["negative"];
            var lastTotal = lastItem["positive"] + lastItem["negative"];
            var lastUploadBytes = lastItem["positive"];
            var lastDownloadBytes = lastItem["negative"];
            var uploadSpeed = humanFileSize(parseInt((item["positive"] - lastUploadBytes) / interval));
            var downloadSpeed = humanFileSize(parseInt((item["negative"] - lastDownloadBytes) / interval));
            var totalSpeed = humanFileSize(parseInt((total - lastTotal) / interval));
            var conns = item["connections"];
            html += '<tr>\
            <td class="center">' + TunnelID + '</td>\
            <td class="center">' + conns + '</td>\
            <td class="center">' + item["positive"] + " / " + humanFileSize(item["positive"]) + " (" + uploadSpeed + '/s)</td>\
            <td class="center">' + item["negative"] + " / " + humanFileSize(item["negative"]) + " (" + downloadSpeed + '/s)</td>\
            <td class="center">' + total + " / " + humanFileSize(total) + " (" + totalSpeed + '/s)</td>\
            <td class="center">' + item["limit"] + " / " + humanFileSize(item["limit"]) + '</td>\
            <td class="center">' + date("Y/m/d H:i:s", new Date().getTime() / 1000) + '</td>\
        </tr>';
        }
        if (html) {
            if(isConn){
                $(".list-conn").html(html);
            }else{
                $(".list").html(html);
            } 
        }
    }

    function systemRender(lastData, data) {
        var sysconn = data.cluster.system_conn_number;
        var clusterconn = data.cluster.tunnel_conn_number;
        var speed = humanFileSize(parseInt(data.cluster.bandwidth)) + "/s"
        var updatetime = data.cluster.update_time;
        var html = '<tr>\
            <td class="center">' + sysconn + '</td>\
            <td class="center">' + clusterconn + '</td>\
            <td class="center">' + speed + '</td>\
            <td class="center">' + date("Y/m/d H:i:s", updatetime) + '</td>\
        </tr>';
        $(".system").html(html);
    }

    function humanFileSize(size) {
        var i = parseInt(Math.floor(Math.log(size) / Math.log(1024)));
        i = size > 0 ? i : 0;
        return (size / Math.pow(1024, i)).toFixed(2) * 1 + ['B', 'KB', 'MB', 'GB', 'TB'][i];
    }

    function sortMap(lastTraffic, traffic, limit,isConn) {
        var TunnelIDMap = {}
        var totalMap = {}
        for (var TunnelID in traffic) {
            if (!traffic.hasOwnProperty(TunnelID)) {
                continue;
            }
            var total =0
            var p = 0
            if (lastTraffic[TunnelID]) {
                if(!isConn){
                    p = lastTraffic[TunnelID]["positive"] + lastTraffic[TunnelID]["negative"];
                    total= traffic[TunnelID]["positive"] + traffic[TunnelID]["negative"] - p;
                }else{
                    total=traffic[TunnelID]["connections"];
                }
            }
            TunnelIDMap[TunnelID] = total
            totalMap[total] = true
        }
        var totalArr = []
        for (var total in totalMap) {
            if (!totalMap.hasOwnProperty(total)) {
                continue;
            }
            totalArr.push(total)
        }
        totalArr = totalArr.sort(function(a, b) {
            return b - a;
        });
        var newTraffic = []
        for (var i = 0; i < totalArr.length; i++) {
            for (var TunnelID in TunnelIDMap) {
                if (!TunnelIDMap.hasOwnProperty(TunnelID)) {
                    continue;
                }
                if (totalArr[i] == TunnelIDMap[TunnelID]) {
                    var item = traffic[TunnelID]
                    item["TunnelID"] = TunnelID
                    newTraffic.push(item)
                }
            }
        }
        return newTraffic.slice(0, limit)
    }

    function date(format, timestamp) {
        var that = this;
        var jsdate, f;
        // Keep this here (works, but for code commented-out below for file size reasons)
        // var tal= [];
        var txt_words = [
            'Sun', 'Mon', 'Tues', 'Wednes', 'Thurs', 'Fri', 'Satur',
            'January', 'February', 'March', 'April', 'May', 'June',
            'July', 'August', 'September', 'October', 'November', 'December'
        ];
        // trailing backslash -> (dropped)
        // a backslash followed by any character (including backslash) -> the character
        // empty string -> empty string
        var formatChr = /\\?(.?)/gi;
        var formatChrCb = function(t, s) {
            return f[t] ? f[t]() : s;
        };
        var _pad = function(n, c) {
            n = String(n);
            while (n.length < c) {
                n = '0' + n;
            }
            return n;
        };
        f = {
            // Day
            d: function() { // Day of month w/leading 0; 01..31
                return _pad(f.j(), 2);
            },
            D: function() { // Shorthand day name; Mon...Sun
                return f.l()
                    .slice(0, 3);
            },
            j: function() { // Day of month; 1..31
                return jsdate.getDate();
            },
            l: function() { // Full day name; Monday...Sunday
                return txt_words[f.w()] + 'day';
            },
            N: function() { // ISO-8601 day of week; 1[Mon]..7[Sun]
                return f.w() || 7;
            },
            S: function() { // Ordinal suffix for day of month; st, nd, rd, th
                var j = f.j();
                var i = j % 10;
                if (i <= 3 && parseInt((j % 100) / 10, 10) == 1) {
                    i = 0;
                }
                return ['st', 'nd', 'rd'][i - 1] || 'th';
            },
            w: function() { // Day of week; 0[Sun]..6[Sat]
                return jsdate.getDay();
            },
            z: function() { // Day of year; 0..365
                var a = new Date(f.Y(), f.n() - 1, f.j());
                var b = new Date(f.Y(), 0, 1);
                return Math.round((a - b) / 864e5);
            },

            // Week
            W: function() { // ISO-8601 week number
                var a = new Date(f.Y(), f.n() - 1, f.j() - f.N() + 3);
                var b = new Date(a.getFullYear(), 0, 4);
                return _pad(1 + Math.round((a - b) / 864e5 / 7), 2);
            },

            // Month
            F: function() { // Full month name; January...December
                return txt_words[6 + f.n()];
            },
            m: function() { // Month w/leading 0; 01...12
                return _pad(f.n(), 2);
            },
            M: function() { // Shorthand month name; Jan...Dec
                return f.F()
                    .slice(0, 3);
            },
            n: function() { // Month; 1...12
                return jsdate.getMonth() + 1;
            },
            t: function() { // Days in month; 28...31
                return (new Date(f.Y(), f.n(), 0))
                    .getDate();
            },

            // Year
            L: function() { // Is leap year?; 0 or 1
                var j = f.Y();
                return j % 4 === 0 & j % 100 !== 0 | j % 400 === 0;
            },
            o: function() { // ISO-8601 year
                var n = f.n();
                var W = f.W();
                var Y = f.Y();
                return Y + (n === 12 && W < 9 ? 1 : n === 1 && W > 9 ? -1 : 0);
            },
            Y: function() { // Full year; e.g. 1980...2010
                return jsdate.getFullYear();
            },
            y: function() { // Last two digits of year; 00...99
                return f.Y()
                    .toString()
                    .slice(-2);
            },

            // Time
            a: function() { // am or pm
                return jsdate.getHours() > 11 ? 'pm' : 'am';
            },
            A: function() { // AM or PM
                return f.a()
                    .toUpperCase();
            },
            B: function() { // Swatch Internet time; 000..999
                var H = jsdate.getUTCHours() * 36e2;
                // Hours
                var i = jsdate.getUTCMinutes() * 60;
                // Minutes
                var s = jsdate.getUTCSeconds(); // Seconds
                return _pad(Math.floor((H + i + s + 36e2) / 86.4) % 1e3, 3);
            },
            g: function() { // 12-Hours; 1..12
                return f.G() % 12 || 12;
            },
            G: function() { // 24-Hours; 0..23
                return jsdate.getHours();
            },
            h: function() { // 12-Hours w/leading 0; 01..12
                return _pad(f.g(), 2);
            },
            H: function() { // 24-Hours w/leading 0; 00..23
                return _pad(f.G(), 2);
            },
            i: function() { // Minutes w/leading 0; 00..59
                return _pad(jsdate.getMinutes(), 2);
            },
            s: function() { // Seconds w/leading 0; 00..59
                return _pad(jsdate.getSeconds(), 2);
            },
            u: function() { // Microseconds; 000000-999000
                return _pad(jsdate.getMilliseconds() * 1000, 6);
            },

            // Timezone
            e: function() { // Timezone identifier; e.g. Atlantic/Azores, ...
                // The following works, but requires inclusion of the very large
                // timezone_abbreviations_list() function.
                /*              return that.date_default_timezone_get();
                 */
                throw 'Not supported (see source code of date() for timezone on how to add support)';
            },
            I: function() { // DST observed?; 0 or 1
                // Compares Jan 1 minus Jan 1 UTC to Jul 1 minus Jul 1 UTC.
                // If they are not equal, then DST is observed.
                var a = new Date(f.Y(), 0);
                // Jan 1
                var c = Date.UTC(f.Y(), 0);
                // Jan 1 UTC
                var b = new Date(f.Y(), 6);
                // Jul 1
                var d = Date.UTC(f.Y(), 6); // Jul 1 UTC
                return ((a - c) !== (b - d)) ? 1 : 0;
            },
            O: function() { // Difference to GMT in hour format; e.g. +0200
                var tzo = jsdate.getTimezoneOffset();
                var a = Math.abs(tzo);
                return (tzo > 0 ? '-' : '+') + _pad(Math.floor(a / 60) * 100 + a % 60, 4);
            },
            P: function() { // Difference to GMT w/colon; e.g. +02:00
                var O = f.O();
                return (O.substr(0, 3) + ':' + O.substr(3, 2));
            },
            T: function() {
                return 'PRC';
            },
            Z: function() { // Timezone offset in seconds (-43200...50400)
                return -jsdate.getTimezoneOffset() * 60;
            },

            // Full Date/Time
            c: function() { // ISO-8601 date.
                return 'Y-m-d\\TH:i:sP'.replace(formatChr, formatChrCb);
            },
            r: function() { // RFC 2822
                return 'D, d M Y H:i:s O'.replace(formatChr, formatChrCb);
            },
            U: function() { // Seconds since UNIX epoch
                return jsdate / 1000 | 0;
            }
        };
        this.date = function(format, timestamp) {
            that = this;
            jsdate = (timestamp === undefined ? new Date() : // Not provided
                (timestamp instanceof Date) ? new Date(timestamp) : // JS Date()
                new Date(timestamp * 1000) // UNIX timestamp (auto-convert to int)
            );
            return format.replace(formatChr, formatChrCb);
        };
        return this.date(format, timestamp);
    }
</script>